INTENSIFIED SPONGE WITH CHARCOAL SOAP (PURIFYING/DETOXIFYING). Purify your skin every day with this sponge infused with activated charcoal soap. It is unique in the market and is clinically proven. Esponjabon's soap-sponge provides gentle exfoliation and is effective at removing bacteria and dirt from the skin. Sponge Soap is safe for all skin types and is clinically tested. More than 40 washes with each Soap-Sponge.